Shadow boxes go beyond the capabilities of a basic frame due to their depth. Ranging from one to three inches deep, shadow boxes are design to hold both flat, and three-dimensional objects.

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This DIY key holder is quick and simple to make. Take a shadow box picture frame, line it with a sturdy paper like wallpaper, screw in the hooks for the keys, and you're in business.

You don't want your memorabilia slipping and sliding within the shadow box frame. Use a hot-glue gun and/or spray glue to keep everything in its place.

Inside the Shadow Box, visitors can create unique shadow art through the process of phosphorescence.